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Check if a file exists with wildcard in shell script [duplicate]
...t should be to rely on ls return value (it returns non-zero when the files do not exist):
if ls /path/to/your/files* 1> /dev/null 2>&1; then
echo "files do exist"
else
echo "files do not exist"
fi
I redirected the ls output to make it completely silent.
EDIT: Since this answe...
Git resolve conflict using --ours/--theirs for all files
... for all files using checkout --ours and --theirs ? I know that you can do it for individual files but couldn't find a way to do it for all.
...
How can I check if a program exists from a Bash script?
...ation
Avoid which. Not only is it an external process you're launching for doing very little (meaning builtins like hash, type or command are way cheaper), you can also rely on the builtins to actually do what you want, while the effects of external commands can easily vary from system to system.
Wh...
How do I override __getattr__ in Python without breaking the default behavior?
I want to override the __getattr__ method on a class to do something fancy but I don't want to break the default behavior.
...
Why doesn't Java allow overriding of static methods?
...ience for Java was C++ developers. Making static methods work the way they do had the benefit of familiarity for C++ programmers and was also very fast, because there's no need to wait until runtime to figure out which method to call.
...
Adding values to a C# array
...
You can do this way -
int[] terms = new int[400];
for (int runs = 0; runs < 400; runs++)
{
terms[runs] = value;
}
Alternatively, you can use Lists - the advantage with lists being, you don't need to know the array size when...
VBA - how to conditionally skip a for loop iteration
I have a for loop over an array. What I want to do is test for a certain condition in the loop and skip to the next iteration if true:
...
How do I deal with certificates using cURL while trying to access an HTTPS url?
...icates
In Arch Linux (Raspberry Pi)
# pacman -S ca-certificates
The documentation tells:
This package includes PEM files of CA certificates to allow SSL-based applications to check for the authenticity of SSL connections.
As seen at: Debian -- Details of package ca-certificates in squee...
WebDriver: check if an element exists? [duplicate]
...
You could alternatively do:
driver.findElements( By.id("...") ).size() != 0
Which saves the nasty try/catch
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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...= 0;
}
addressBook.filter(startsWith.bind(this, wordToCompare));
I dont really understand how the default parameters it takes are passed
There is nothing special about it. At some point, filter just calls the callback and passes the current element of the array. So it's a function calling ...